EP3894911A4 - LIGHT CONTROL FILM - Google Patents

LIGHT CONTROL FILM Download PDF

Info

Publication number
EP3894911A4
EP3894911A4 EP19894656.8A EP19894656A EP3894911A4 EP 3894911 A4 EP3894911 A4 EP 3894911A4 EP 19894656 A EP19894656 A EP 19894656A EP 3894911 A4 EP3894911 A4 EP 3894911A4
Authority
EP
European Patent Office
Prior art keywords
light control
control film
film
light
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19894656.8A
Other languages
German (de)
French (fr)
Other versions
EP3894911A1 (en
Inventor
Daniel J. Schmidt
Caleb T. NELSON
Kevin W. GOTRIK
Raymond J. Kenney
Kenneth A. Epstein
Gary T. Boyd
Corey D. Balts
Morgan A. PRIOLO
John A. Wheatley
Elisa M. Cross
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of EP3894911A1 publication Critical patent/EP3894911A1/en
Publication of EP3894911A4 publication Critical patent/EP3894911A4/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/22Absorbing filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/06Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00Non-electric lighting devices or systems using daylight
    • F21S11/007Non-electric lighting devices or systems using daylight characterised by the means for transmitting light into the interior of a building
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/04Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
EP19894656.8A 2018-12-11 2019-12-02 LIGHT CONTROL FILM Pending EP3894911A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862777822P 2018-12-11 2018-12-11
PCT/IB2019/060368 WO2020121112A1 (en) 2018-12-11 2019-12-02 Light control film

Publications (2)

Publication Number Publication Date
EP3894911A1 EP3894911A1 (en) 2021-10-20
EP3894911A4 true EP3894911A4 (en) 2022-08-24

Family

ID=71076323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19894656.8A Pending EP3894911A4 (en) 2018-12-11 2019-12-02 LIGHT CONTROL FILM

Country Status (4)

Country Link
US (2) US12174407B2 (en)
EP (1) EP3894911A4 (en)
CN (1) CN113490867B (en)
WO (1) WO2020121112A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7358356B2 (en) 2017-12-13 2023-10-10 スリーエム イノベイティブ プロパティズ カンパニー High transmittance light control film
WO2020121112A1 (en) 2018-12-11 2020-06-18 3M Innovative Properties Company Light control film
US12320993B2 (en) 2019-06-12 2025-06-03 3M Innovative Properties Company High transmission light control films with asymmetric light output
JP2021089998A (en) * 2019-12-05 2021-06-10 ソニーセミコンダクタソリューションズ株式会社 Solid-state image sensor and electronic apparatus
WO2023105314A1 (en) * 2021-12-09 2023-06-15 3M Innovative Properties Company Coated microstructured films and methods of making same
KR20230087824A (en) * 2021-12-10 2023-06-19 엘지디스플레이 주식회사 Method for manufacturing high transmission light control film
US20230219312A1 (en) * 2022-01-11 2023-07-13 Technion Research & Development Foundation Limited Optical element and method of fabricating the same
US12560849B2 (en) 2022-04-29 2026-02-24 3M Innovative Properties Company Optical component and light control film including same
US12596209B2 (en) 2022-04-29 2026-04-07 3M Innovative Properties Company Light control film including optical cavities containing liquid
DE102023108310A1 (en) 2023-03-31 2024-10-02 Sionic Smart Glass GmbH Optical elements as sun protection for windows
WO2024209303A1 (en) 2023-04-07 2024-10-10 3M Innovative Properties Company Method of characterizing layer thickness
CN116594090A (en) 2023-04-23 2023-08-15 苏州晶智铱锘光电科技有限公司 A viewing angle control film and its preparation method
US20250271771A1 (en) * 2024-02-22 2025-08-28 Kla Corporation Vacuum ultraviolet light mirror
WO2025219822A1 (en) 2024-04-19 2025-10-23 3M Innovative Properties Company Light control film and display system including same
DE102024112555A1 (en) 2024-05-03 2025-11-06 Sionic Smart Glass GmbH Optical elements for windows, displays, and/or lighting.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204160A (en) * 1988-08-08 1993-04-20 Minnesota Mining And Manufacturing Company Light-collimating film
US20050237611A1 (en) * 2003-03-20 2005-10-27 Dai Nippon Printing Co., Ltd. Transmission screen
JP2008152017A (en) * 2006-12-18 2008-07-03 Toyo Ink Mfg Co Ltd Adhesive optical filter, method for producing the same, and use thereof
JP2008304674A (en) * 2007-06-07 2008-12-18 Toray Ind Inc Display filter
US20150109674A1 (en) * 2013-10-23 2015-04-23 Ronald Steven Cok Imprinted micro-louver structure
US20160068703A1 (en) * 2013-05-31 2016-03-10 3M Innovative Properties Company Methods of layer by layer self-assembly of polyelectrolyte comprising light absorbing or stabilizing compound and articles
US20170108628A1 (en) * 2014-06-30 2017-04-20 3M Innovative Properties Company 360 degree privacy film
WO2018097842A1 (en) * 2016-11-22 2018-05-31 3M Innovative Properties Company Spectrally selective light control film

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524789A (en) 1967-08-15 1970-08-18 Minnesota Mining & Mfg Louvered transparent sheeting made by skiving
US4601861A (en) 1982-09-30 1986-07-22 Amerace Corporation Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate
US5486949A (en) 1989-06-20 1996-01-23 The Dow Chemical Company Birefringent interference polarizer
US5254388A (en) 1990-12-21 1993-10-19 Minnesota Mining And Manufacturing Company Light control film with reduced ghost images
CA2097388A1 (en) 1992-07-16 1994-01-17 Susan Nord Bohlke Topographical selective patterns
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US5828488A (en) 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US5726443A (en) 1996-01-18 1998-03-10 Chapman Glenn H Vision system and proximity detector
US5783120A (en) 1996-02-29 1998-07-21 Minnesota Mining And Manufacturing Company Method for making an optical film
US5825543A (en) 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
US6531230B1 (en) 1998-01-13 2003-03-11 3M Innovative Properties Company Color shifting film
US6398370B1 (en) 2000-11-15 2002-06-04 3M Innovative Properties Company Light control device
JP4303923B2 (en) * 2002-07-31 2009-07-29 大日本印刷株式会社 Visibility improving sheet and display using the same
US7018713B2 (en) 2003-04-02 2006-03-28 3M Innovative Properties Company Flexible high-temperature ultrabarrier
BRPI0418341A (en) 2003-12-30 2007-05-02 3M Innovative Properties Co color-changing retroreflective article and method for producing a color-changing retroreflective article
US7101618B2 (en) 2004-05-07 2006-09-05 3M Innovative Properties Company Article comprising fluorochemical surface layer
WO2005111157A1 (en) 2004-05-07 2005-11-24 3M Innovative Properties Company Stain repellent optical hard coating
US7294405B2 (en) 2004-08-26 2007-11-13 3M Innovative Properties Company Antiglare coating and articles
US7291386B2 (en) 2004-08-26 2007-11-06 3M Innovative Properties Company Antiglare coating and articles
US20060216524A1 (en) 2005-03-23 2006-09-28 3M Innovative Properties Company Perfluoropolyether urethane additives having (meth)acryl groups and hard coats
US7467873B2 (en) 2005-10-14 2008-12-23 3M Innovative Properties Company Privacy film
DE112007000148T5 (en) 2006-01-12 2008-11-20 3M Innovative Properties Co., St. Paul Light collimating film
JP2007249052A (en) 2006-03-17 2007-09-27 Nec Corp Light control film, illuminator, and display device
US7575847B2 (en) 2006-06-13 2009-08-18 3M Innovative Properties Company Low refractive index composition comprising fluoropolyether urethane compound
KR20090068236A (en) 2006-09-08 2009-06-25 메사추세츠 인스티튜트 오브 테크놀로지 Automated layer by layer spray technology
JP5093717B2 (en) * 2006-10-23 2012-12-12 Nltテクノロジー株式会社 Optical element and illumination optical device, display device, and electronic apparatus using the same
US8313798B2 (en) 2009-05-18 2012-11-20 Toyota Motor Engineering & Manufacturing North America, Inc. Structural colors having UV reflectance via spray layer-by-layer processing
EP2208096B1 (en) 2007-10-16 2019-11-27 3M Innovative Properties Company Higher transmission light control film
US8213082B2 (en) * 2007-12-21 2012-07-03 3M Innovative Properties Company Light control film
KR101578244B1 (en) 2008-05-16 2015-12-16 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Light control film with off-axis visible indicia
JP5633372B2 (en) 2008-09-17 2014-12-03 大日本印刷株式会社 Optical sheet and image display device
KR101207145B1 (en) 2008-11-27 2012-12-04 주식회사 엘지화학 Security film for display device
EP2379442A4 (en) 2008-12-30 2014-02-26 3M Innovative Properties Co PROCESS FOR THE MANUFACTURE OF NANOSTRUCTURED SURFACES
KR101728177B1 (en) 2009-02-06 2017-04-18 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Light control film and multi-layer optical film stack
US20110064936A1 (en) 2009-09-17 2011-03-17 Massachusetts Institute Of Technology Method of Asymmetrically Functionalizing Porous Materials
KR101200772B1 (en) 2009-10-16 2012-11-13 삼성코닝정밀소재 주식회사 Optical filter for display device and display device having the same
KR101226226B1 (en) * 2010-04-22 2013-01-28 주식회사 엘지화학 Switchable privacy filter using electrochromic material and preparation method thereof
US20130273242A1 (en) 2012-04-12 2013-10-17 Svaya Nanotechnologies, Inc. Optical Elements on Textured Surfaces
CN104871035B (en) * 2012-12-20 2018-01-30 3M创新有限公司 Prepare the method and product for the multi-layer optical film for including LBL self-assembly layer
US9209230B2 (en) 2012-12-21 2015-12-08 Samsung Electronics Co., Ltd Optical films for reducing color shift and organic light-emitting display apparatuses employing the same
JP2014142636A (en) 2012-12-27 2014-08-07 Nitto Denko Corp Privacy filter
KR102067159B1 (en) 2013-05-24 2020-01-16 삼성전자주식회사 Optical film for reducing color shift and organic light emitting display employing the same
KR102070411B1 (en) 2013-06-04 2020-01-28 삼성전자주식회사 Optical film for reducing color shift and organic light emitting display employing the same
KR102070410B1 (en) 2013-06-04 2020-01-28 삼성전자주식회사 Optical film for reducing color shift and organic light emitting display employing the same
KR102099781B1 (en) 2013-10-15 2020-04-10 삼성전자주식회사 Optical film for reducing color shift and organic light emitting display employing the same
WO2015095317A1 (en) 2013-12-19 2015-06-25 3M Innovative Properties Company Articles comprising self-assembled layers comprising nanoparticles with a phosphorous surface treatment
TW201541111A (en) 2014-03-07 2015-11-01 3M Innovative Properties Co Durable extruded dyed polyester films
US9817166B2 (en) 2014-12-15 2017-11-14 Eastman Chemical Company Electromagnetic energy-absorbing optical product and method for making
US9453949B2 (en) 2014-12-15 2016-09-27 Eastman Chemical Company Electromagnetic energy-absorbing optical product and method for making
CN108291991B (en) 2015-12-01 2020-10-20 伊士曼化工公司 Electromagnetic energy absorbing optical product and manufacturing method thereof
JP6751566B2 (en) * 2016-02-15 2020-09-09 信越ポリマー株式会社 Light transmission direction control sheet
US10948734B2 (en) 2016-10-28 2021-03-16 3M Innovative Properties Company Light control film with varied viewing angle
KR20190086467A (en) * 2016-11-22 2019-07-22 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Spectral selective retroreflective system
CN109983369B (en) * 2016-11-22 2022-03-08 3M创新有限公司 Angle and Spectral Selective Detector and Light Source System
CN110770612A (en) 2017-06-13 2020-02-07 3M创新有限公司 light control film
JP7308832B2 (en) 2017-12-13 2023-07-14 スリーエム イノベイティブ プロパティズ カンパニー Light control film with high transmittance
WO2020121112A1 (en) 2018-12-11 2020-06-18 3M Innovative Properties Company Light control film

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204160A (en) * 1988-08-08 1993-04-20 Minnesota Mining And Manufacturing Company Light-collimating film
US20050237611A1 (en) * 2003-03-20 2005-10-27 Dai Nippon Printing Co., Ltd. Transmission screen
JP2008152017A (en) * 2006-12-18 2008-07-03 Toyo Ink Mfg Co Ltd Adhesive optical filter, method for producing the same, and use thereof
JP2008304674A (en) * 2007-06-07 2008-12-18 Toray Ind Inc Display filter
US20160068703A1 (en) * 2013-05-31 2016-03-10 3M Innovative Properties Company Methods of layer by layer self-assembly of polyelectrolyte comprising light absorbing or stabilizing compound and articles
US20150109674A1 (en) * 2013-10-23 2015-04-23 Ronald Steven Cok Imprinted micro-louver structure
US20170108628A1 (en) * 2014-06-30 2017-04-20 3M Innovative Properties Company 360 degree privacy film
WO2018097842A1 (en) * 2016-11-22 2018-05-31 3M Innovative Properties Company Spectrally selective light control film

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020121112A1 *

Also Published As

Publication number Publication date
US20250067914A1 (en) 2025-02-27
EP3894911A1 (en) 2021-10-20
WO2020121112A1 (en) 2020-06-18
US20220019007A1 (en) 2022-01-20
CN113490867B (en) 2025-02-21
US12174407B2 (en) 2024-12-24
CN113490867A (en) 2021-10-08

Similar Documents

Publication Publication Date Title
EP3894911A4 (en) LIGHT CONTROL FILM
HUE065623T2 (en) Lens element
EP3759548C0 (en) LENS ELEMENT
PL3827381T3 (en) MULTIPLE-CUBIT CONTROL
EP3700105A4 (en) LIGHT DIVIDING DEVICE
DK3830172T3 (en) POLYETHYLENE FILM
DK3830173T3 (en) POLYETHYLENE FILM
EP3724704A4 (en) HIGH TRANSMISSION LIGHT CONTROL FILM
EP3779583A4 (en) LIGHT REGULATION UNIT
DK3537334T3 (en) CAMERA
EP3769961A4 (en) PROTECTIVE FILM
EP3895891A4 (en) RELEASE FILM
EP3825123A4 (en) FILM LAMINATE
EP3812418A4 (en) MATTER ACRYLIC FILM
EP3879586A4 (en) LIGHT EMITTING ELEMENT
PT3765788T (en) LIGHT ON
EP3851884A4 (en) FILM LAMINATE
EP3869576A4 (en) PIEZOELECTRICAL FILM
EP3950324A4 (en) FILM
DK3539768T3 (en) Multi-layer film
EP3858609A4 (en) LIQUID-REPELLENT FILM
EP3778217A4 (en) LAMINATE FILM
EP3779540A4 (en) OPTICAL MODULATOR
EP3956154A4 (en) FILM
EP3845888A4 (en) LIGHT PROJECTION DEVICE

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210609

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: G02B0005000000

Ipc: G02B0019000000

A4 Supplementary search report drawn up and despatched

Effective date: 20220721

RIC1 Information provided on ipc code assigned before grant

Ipc: F21V 9/06 20180101ALI20220715BHEP

Ipc: F21V 9/04 20180101ALI20220715BHEP

Ipc: F21S 11/00 20060101ALI20220715BHEP

Ipc: G02B 19/00 20060101AFI20220715BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20241118